using System;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb;
class MainClass
{
static void Main(string[] args)
{
string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\Northwind.mdb";
OleDbConnection conn = new OleDbConnection(ConnectionString);
conn.Open();
conn.Close();
OleDbConnection.ReleaseObjectPool();
}
}